82140560

素因数分解:

$2^4\times 5^1\times {\mathrm{1026757}}^1$

素因数の和:1026770

約数の個数: 20

約数和(自身を含む): 190976988

約数和(自身を除く): 108836428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1026757, 2053514, 4107028, 5133785, 8214056, 10267570, 16428112, 20535140, 41070280, 82140560]

約数ペア:

[(1, 82140560), (2, 41070280), (4, 20535140), (5, 16428112), (8, 10267570), (10, 8214056), (16, 5133785), (20, 4107028), (40, 2053514), (80, 1026757)]